Machine Design In helical gears, the right hand helixes on one gear will mesh __________ helixes on the other gear. None of these Left hand Right hand Both A and B None of these Left hand Right hand Both A and B ANSWER DOWNLOAD EXAMIANS APP
Machine Design In Vickers hardness testing, the pyramid indentor apex is 152° 40° 136° 122° 152° 40° 136° 122° ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a load W is applied suddenly on a bar of cross-sectional area A, the stress induced in the bar will be 2W/A W/2A 3W/A W/A 2W/A W/2A 3W/A W/A ANSWER DOWNLOAD EXAMIANS APP
Machine Design A closely coiled helical spring is acted upon by an axial force. The maximum shear stress developed in the spring is τ. The half of the length of the spring if cut off and the remaining spring is acted upon by the same axial force. The maximum shear stress in the spring in new condition will be τ 2 τ τ/2 4 τ τ 2 τ τ/2 4 τ ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the material of key and shaft is same, and the width of key is one-fourth of the diameter of shaft (d), then length of key will be 1.8 d 1.57 d 0.8 d 1.2 d 1.8 d 1.57 d 0.8 d 1.2 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design When an open coiled helical compression spring is subjected to an axial compressive load, the maximum shear stress induced in the wire is (where D = Mean diameter of the spring coil, d = Diameter of the spring wire, K = Wahl's stress factor, and W = Axial compressive load on the spring) (4WD/ πd3) × K (2WD/ πd3) × K (WD/ πd3) × K (8WD/ πd3) × K (4WD/ πd3) × K (2WD/ πd3) × K (WD/ πd3) × K (8WD/ πd3) × K ANSWER DOWNLOAD EXAMIANS APP
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